Architecture, in particular is the study which deals with planning and designing of building and structures.Architects are the licensed professionals trained in the art and science of building.Students having academically good background in physics and mathematics are better suited for the study of architecture.
All colleges excepts NATA score. For cutoff score you need to check the concerned college list.
Some top Architecture colleges are:
School of Planning & Architecture, New Delhi
IIT Kharagpur - Indian Institute of Technology
IIT Roorkee - Indian Institute of Technology
Birla Institute of Technology, Mesra
National Institute of Technology Calicut (NITC)
jj college of architecture ,mumbai
Jawaharlal Nehru Technological University, School of Planning & Architecture,hyderabad
School of Architecture CEPT,Ahemdabad
For more see the link: http://www.meracareerguide.com/Career-Architecture.aspx
All the best